Features Supports MP3, WMA, ASF, WAV, WMV file formats Integrated FM radio with Recorder Plays for 10 hours off a single AAA battery Doubles as Portable USB 2.0 Flash Hard Drive Specifications Support various audio formats MP3, WMA, ASF, WAV, WMV ID3 Tag information display Multi-OS without driver installation Support windows ME, windows 2000, windows XP or above Support MacOS 9.0 or above Support Linux 2.4.2 or above For windows 98, one time installation driver will be provided High resolution LCD display with 7 backlight 128 x 32 full dot matrix FSTN LCD display with blue EL backlight Fast USB transfer rate USB 2.0 Full speed specification Data read (max): 1000Kbytes/second Data write (max): 800Kbytes/second USB direct plug Support USB direct plug without cable Can be used as a large mobile storage device Weight 1.0 oz (23g) without battery Folder tree operation Operate with easy to use folder tree Support sub-folder file deletion Support sub-folder file tree MP3 storage Firmware upgradeable Support display firmware version number and firmware upgrade Multi language English, Spanish, Chinese, Japanese, French, German, Portuguese, Dutch, etc. 7 modes of equalizers:  Normal, Rock, POP, Classic, Soft, Jazz, BassEasy MP3 files manage:  Support sub-folder tree MP3 storageMultiple friendly play modes:  Normal play, repeat one, single folder play, repeat folder play, repeat all, random Voice recording Single button easy recording Long or fine record selection Battery indication 9 battery levels indication Single battery operation One 3A alkaline can play up to 10 hours Built in FM radio Support auto & manual scanning 20 channels for normal band 20 channels for Japan band Direct record radio program to w